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Finding the Fourth Proportional to 119,683.58, 165,161.35 and 65,973.58

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Solution

The fourth proportional to 119,683.58, 165,161.35 and 65,973.58 is: 91,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,683.58 : 165,161.35 = 65,973.58 : x
  2. Step 2: Convert to fraction form
    119,683.58/165,161.35 = 65,973.58/x
  3. Step 3: Cross multiply
    119,683.58x = 165,161.35 × 65,973.58
  4. Step 4: Simplify right side
    119,683.58x = 10,896,285,537.13
  5. Step 5: Solve for x
    x = 10,896,285,537.13/119,683.58
  6. Step 6: Final answer
    x = 91,042.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.